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SCAN OPTICS - Frank`s Hospital Workshop

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1. 0 100 CON REDLED 3 wite 4 1 5 green 2 8 ue ik Xt X8 SPPEDLED 10K FOCUSZOOM SPEED POT Mue H SDS 213 CONTROLLER BREAKER 1 L wei 2 FXt FUSE QWAYMATEANDLOK IO OI CON a T 1 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 72 of 75 5800 W5 SO 5800 INTERNAL PILLAR HORIZONTAL ARM LOOM 1 g 4 9WAYMATEANDLCK 1 9WayMateard Lok TE 2 1 rom 15V sad s e 2 rad M nLanp 7 6 A 19 WyPard MartedEurndySodet 3 1 4 yllow Zom 9 D A rom 15V 5 green Zoom B rad 6 Hue Foous E C aage AuxLarp 7 pure Focus H D ydlow Zoom 8 grey GND 1 m J E green Zoom ON 3 F dw Fous 4 G puple Foas 5 N H grey GND 12 WyyMdeandick 6 d P J red 19 p oe 5 K iak 1 rad 15 9 L XY Speed Pot 2 lak GND 10 M bak X LEDgra rd 3 ydlow XY
2. 23 OnE e TOnF RLYI JW2SN DCI2V R6 c I IRE3205 Bl BUZZER 2R2 PWS C6 PMBFI70 100nF VIS 516 v5 PMBF170 Zoom In Up Zoom Qt Dn Focus Up Focus Down Common A Lamp doun 516 PMBF170 es 100nF Fl 10A Gircuit breaker 3 41 15 DC Sc from Switcher MI Title 30V MOV 2 RLYS JWIFSN DCIDV Size Number Revision Date File 12V Battery 10 Nov 2000 Sheet of D3sds213E S DDB Drawn By X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Page 67 of 75 1 x9 XL PLI mar 1 Fan 1 412 2 1 4 5 amp 6 Phoenix 2 PIN Plugs 2 5 Main Lanp 3 2 Load Loom Aux Lanp Lees X6 5 Z 3 Pin Guarded Mascon Fan Power Loom L 1 075xl30mm RI m D 6
3. 03020 1 5000 CONNECTOR BLOCK PCB B AMEN 7 ZOOMCABLE 5 00037 1 8 LAMPHOUSE CABLE 2 o 1 9 AUXILIARY LIGHT CABLE p 10 PILLAR CABLE booo 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 51 of 75 50 5000 FOCUS ASSEMBLY SERVICE MANUAL SHEET 1 C gt SCAN OPTICS Dote 02 07 02 ItemName PartNo Qty 1 SERVOMOTOR MODIFIED PCFI 00flh 1 2 MOTORBRACKET PCFI 00007 1 3 FOCUSPINON 00120 1 L LAB x 3 8 SELF TAPPING FAST 04038 1 SCREW 5 Mk X 8 PANHEAD SCREW FAPN 04008 6 WASHER FAWA 03001 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 52 of 75 50 5000 FOCUS ASSEMBLY ERVICE MANUAL SHEET 2 LE 5 OCUS SHAFT ADAPTER PCFI 00109 1 2 FOCUS GEAR PCFI 00113 1 3 M12 STAINLESS WASHER 4 SECURING NUT 0011 1 5 3 3 GRUBSCREW FAGS 03003 3 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 53 of 75 50 5000 FOCUS ASSEMBLY SHEET 3 ItemName 7 PartNo Mc REO MM ASSEMBL Y sheet 2 lu ER MM ASSEMBLY 3 FOCUS COVER PCFI O0fI0 1 6 DIOE 00001 2 7 15000 TILT ADJUSTMENT ASSEMBLY See 5000
4. 00004 1 2 IMAGING LENS IPBX 00000 1 3 FILTER SPACER 2 4 00151 1 4 FILTER SPACER 1 PCFI 00150 1 5 M3X6 CSK SCREW FACS 03006 6 CIRCLIP PCFI 00050 1 RISM COVER PLATE 00149 1 8 HPPR 0002 1 9 PRISM HOLDER PCFI 00148 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 44 of 75 50 5000 LAMPHOUSE SERVICE MANUAL MOUNTING ASSEMBLY Note Sections of the bonder arm Drown by RUK and BAM mounting bracket SCAN OPTICS Dote 1 6 2 have been removed for clarity DESCRIPTION QT BONDER ARM LOWER MOUNTING RING LAMPHOUSE BAM MOUNTING BRACKET 5 8 KNURLED CUP GRUBSCREW 5 X 10 GRUBSCREW MOUNTING RING 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures 50 5000 ZOOM ASSEMBLY SHEET 1 lremName Oty 1 M3 8 PANHEAD SCREW 03008 M3 X 6 COUNTERSUNK FACS 03006 3 SCREW 3 ZOOM DRIVE ASSEMBLY SAFI 00036 sheet 31 1 4 MICROSCOPE HEAD 10001 00002 1 ZOOMCOVER PCFI 00122 1 ZOOM SPACER3 0019 1 1 M3 X 20 PANHEAD SCREW FAPN 03020 1 E ASSEMBLY 5 X25 PANHEAD SCREW FAPN 05025 ZOOM 1 PCFI 00ffo X Service Scan Optics Service
5. 2 rg 0 75x150nm 100154 10 5 Ground HN Fig 8 White Sheathed Cable Power Pole loom Mini Burndy 8 p m SKA N Red 0 75 x 110m c Xi _ _ 1 75 x 110nm D an e 2 2 3 Min e Black 075 x 110m F Aux Lanp 2PIN G Ls 7 7 m j Battery Loom E Mini Bumdy 8 1G F N w is ww Housing Male Pins 2 Ground 5 P 4 Version G onwards Mini Burndy 8 5 Rear View Mini Burndy 8 Female Xpsu 1 2x1 0x95mmRed 1 d ud N 2PIN 2x1 0x90mBlack 4 3 5 xi Footswitch Loom T P 5 1 Black A 2 EE e 7 PUDCPw 4 Orange D 10 5 Yellow E 6 Green F 9 12 7 Blue G N 13 8 Violet H iw D PIN 170m Mini Bumdy 8 sese tegi 8 pin guarded Mascon ni Dumdy 5 Male Housing Fenale Pins Rear View Mini Burndy 8 Male ve ins to 5mm Green LED CIRCUIT BREAKER a 1 White 230mm v PSU AC Input 240VAC3A Strip cable sheath mod 2 RVI 2 N I3OnmBlue s 4 SOnmBlue BLUE L 5 A l25nmBrown j QE Ne GREENYELLOW 2 i cw 3 G IS imGreen Yellow Emm Blue Spade lugs 125mm Brown 2 0 7 1 80mmBrown Blue 230nm SW DPST 0 4 Pin Guarded Mascon an Yellow 240nm GND GND LED 3mm Blue Eyelet 3mm Blue Eyelet
6. gt SCAN OPTICS SERVICE MANUAL 50 111 50 151 50 161 50 5000 50 5100 50 5600 50 5800 Scan Optics 32 Stirling Street Thebarton SA 5031 AUSTRALIA Phone 618 8234 9120 Fax 618 8234 9417 E mail Internet Scan Optics Service Manual General Maintenance Page 2 of 75 06 50 151 161 6 LAMP BULB SPECIFICATION 7 LAMP REPLACEMENT SIDE CABLE STYLE LAMPHOUSE 7 LAMP REPLACEMENT TOP CABLE STYLE LAMPHOUSE 7 LAMPHOUSE REMOVAL RING MOUNT STYLE 8 LAMPHOUSE REMOVAL CHANNEL MOUNT LE 8 LAMPHOUSE REMOVAL CHANNEL MOUNTSTYLE 0000008 DISASSEMBLY LENS CLEANING AND REASSEMBLY SIDE CABLE STYLE 8 ARE SIMPLIFIED VERSION FOR SIDE CABLE STYLE 9 ADIU MEN H ADI U RIN VOUN Y a LIGHT PATCH ADJ US IMENT CHANNEL MOUNT STYLE 11 D D V MENT A 5000 5100 5600 MICROSCOPES 14 INTRODUCTION T4 LAMP REPLACEMENT 14 LAMP HOUSE REMOVAL AND SERVICING CS EXPOSING THE CONNECTOR BLOCK 15 LEAMPHOUSEDISASSEMBIY REPLACEMENT 15 LAMPHOUSE HEAD DISASSEMBLY 16 AUXILIARY LIGHT DISASSEMBLY 17 LEOOMDRVE r AH FOCUS DRIVE 18 VIDEO ATTACHMENTS 21 eens DISASSEMBLING THE HEAD FOR BEAM SPLITTER ADJ USTMEN 21 ADJUSTING STOP C C C sC C sC CW i 0 05 THE REAR MIRROR FOCUS ZOOM CONTROL 24 FBUMMARY UU 0 5800 M RO OP NTROD
7. Removal of the head is as follows You will first need to remove the cover from the zoom drive Once removed you will notice a crosshead screw passing through the zoom plate a spacer and the bonder arm to secure the head in place This screw is located in the lower left side of the zoom plate just below and slightly behind the motor You will need to loosen but not completely remove this screw You will also need to loosen the single grubscrew on the left side of the bonder arm Once the head is removed you can now access the backing plate as described in the section covering mould pellet replacement for the SO 111 If you have an SO 5600 microscope with the video attachments you will need to remove the two socket head screws on either side of the TRU unit IMPORTANT When removing this unit you will need to exercise caution as the beam splitter and TRU unit are attached and you want to avoid any contact with the beam splitter as the coating is easily marked and very delicate Once removed change the pellet as described and replace the TRU being careful not to bump the beam splitter on the inside of the microscope head When replacing the head in the bonder arm it is important to ensure that the zoom spacer sitting between the zoom plate and the bonder arm and housing the retaining screw that was loosened previously is replaced as before Referto figure 111 54 Refer to figure 5600 51 LAMP REPLACEMENT The current style of the 500
8. X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 40 of 75 50 111 TOP CABLE LAMPHOUSE REPLACEMENT gt 111 56 Drown RJK SCANOPTICS Dote 26 7 02 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 41 of 75 50 5000 LAMPHOUSE BARREL AND PRISM HOLDER ASSEMBLY ITEM DE SCRIPTION PART NO QTY 3 X 4 GRUBSCREV FAGS 03004 M 50 5000 PRISM HOLDER SAFI 00013 ASSEMBLY 3 0 5000 LAMPHOUSE SAF I 00012 BARREL ASSEMBLY X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 42 of 75 50 5000 LAMPHOUSE BARREL ASSEMBLY SERVICE MANUAL p gt Dote 50 5 02 TEMDESCRIPTIIN 1 PART QTY 1 RETAINING NUT 7 00070 2 CONDENSER LENS 00001 4 CONDENSER LENS 1 00001 5 LENS BARREL SPACER 2 PCFI 00146 6 HEAT FILTER 00003 7 LENS BARREL SPACER 1 PCFI 00145 8 APERTURE PCF 1 00147 9 LENS BARREL CF 1 00069 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 43 of 75 50 5000 PRISM HOLDER ASSEMBLY SERVICE MANUAL Drown by RJK CAN OPTICS Dote 30 5 2 1 FILTER
9. You will now be able to slide the lamphouse up and down If the upper retaining ring is sufficiently loosened you should be able to pull the entire lamphouse including the retaining rings up and out of the bonder arm Refer to figure 111 53 LAMPHOUSE REMOVAL CHANNEL MOUNT STYLE If you have the older channel style mounting system you will see your lamphouse held in place by two black plates sitting either side of the lens barrel One plate is held in place by a single grub screw the other by three To remove the lamphouse from this mounting system simply loosen all grubscrews allowing the two plates to drop out of the bonder arm You will now be able to remove the lamphouse At this point it is worth winding in the three grubscrews on the one side of the bonder arm so that they are all even and flush with the outside The single grubscrew on the opposite side will need to be wound out so that no part of it is protruding through to the inside These measures will ensure easier re assembly Refer to figure 111 52 LAMPHOUSE DISASSEMBLY LENS CLEANING AND REASSEMBLY SIDE CABLE STYLE Having removed the lamphouse from the bonder arm you are now ready for the disassembly of the lamphouse IMPORTANT Before disassembly you will need to mark the location where the lens barrel winds into the head A horizontal pencil mark on the lens barrel at the point where it threads into the head will be required This is important because as you wind the
10. a 6mm Blue Spade lugs Pot LED Loom a X8 in amp 1 ite 2 Title A Centre 7 AMP omm e Right CIRCUIT BREAKER 213 Interconnecting cables 4 Blue opu Both leads 2 0 75 x 90mm Siz Number Revision TN i i 508 213 Date 24 Aug 2004 Sheet lof 1 File Ukhoa work SO 5000 5800 general SDS 213 Maida White 1 2 3 4 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 68 of 75 5800 W1 SO 5800 POWER AND CONTROL BLOCK DIAGRAM 110 220AC 12VDC 2 25A EARTH 15VDC 7 3A PAL VIDEO 5V LOGIC X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 69 of 75 5800 W2 SO 5800 FOOT CONTROL WIRING SCHEMATIC 1 2 3 4 1 D A A BACK FOCUS UP 2 B BROAN FOCUSDOMN ZOOMIN D E ZOM CUT E F GREN COMON G H J NCRTH K K PINK EAST L ORANGE SOUTH M TO LOVER PILLAR PANEL P R 5 0 v V GREY 45V 19 WAY BURNDY FREE PLUG B B A 1 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wi
11. at the point where it winds into the lamphouse head as well as a vertical line on the collar of the lamphouse directly above this Once marked loosen the two grubscrews on the collar of the lamphouse head and unwind the head from the lens barrel Now that you have successfully removed the lamphouse and separated the head from the lens barrel it is time to remove and clean the lenses The Lens set up in the 5000 series of microscope is slightly different from that of the SO 111 with the inclusion of heat and UV filters however the removal and cleaning process is essentially the same As before this is accomplished by first removing either the circlip or the threaded retaining ring that is holding the lenses in place Once cleaned to reassemble is just a matter of replacing the lenses and spacers in the correct sequence and replacing whatever retention system was used It is worth noting that in the 5000 series of microscope the UV filter is located in the prism holder along with an imaging lens and disassembly is as follows Prior to removal it is important to mark a vertical line that crosses both the lens barrel and the prism holder The removal of the prism holder may be removed from the lens barrel is by unscrewing the three grubscrews holding it onto the lens barrel Once it is removed you will be able to see the circlip which holds the lenses and spacers in place Remove the circlip and clean the lenses as required Refer to figure 5000 5
12. 50 111 151 161 Microscopes Page 7 of 75 LAMP BULB SPECIFICATIONS The lamp life in a microscope will vary from user to user depending on such factors as intensity settings amount of use temperature etc Therefore it is impractical to suggest a set term for the replacement of the lamp As the lamps age a black deposit will eventually form reducing the light out put long before the lamp will actually blow It is recommended that the lamps be replaced as soon as this deposit is noticed or as soon as a decrease in the light intensity is apparent One important factor to consider is the type of lamp used There is only one lamp that can be used for the SO 111 151 161 microscopes It is manufactured by G E and it is an M47 G4 12V 20W pin type halogen The reason for this exclusivity is the horizontal filament which is a requirement as well as the light centre length of 19 5mm This is the distance from the bottom of the pins to the centre of the filament Both of these factors must be met in all SO 111 151 161 microscope and to our knowledge G E is the only company that we are aware of making lamps to this specification Any other lamp used and not meeting these specifications will produce a substandard light patch The correct lamps can be obtained from Scan Optics Refer to figure LAMP S1 LAMP REPLACEMENT SIDE CABLE STYLE LAMP HOUSE Simply open the door on the side of the lamphouse pushing where the label indicates You will now be
13. 5800 W7 SO 5800 X Y BACK PLATE 1 2 4 9WAYMATEANDLCK 9WAYMATEANDLCK 1 2 2 rad ManLanp 3 aage D 4 6 4 ydlow Zom 7 8 9 5 gr n Zoom 6 Hue Foous 19 WAYBURNDYPANE_ MOUNT 5 8 WAYBURNDYPANEL MOUNT 9WAYMATEANDLOK n own own rei 1 1 red B C E 3 3 1 D ON 4 4 ON ran 5 6 6 E E G pupe 7 7 prge H 8 __ 3 9 9 K BACKVIEW 1 R 2 XY FOB POWER U V 1 2 1 TO MICROSCOPE HEAD POWER CABLE 5 6 7 A 15 8 B rad 9 C JOYSTICK B D ydlow Zoom TO EXTERNAL PILLAR CABLE E green Zoom F due Focus ee XY PCB H grey GND J rad 15V K GND L ydlow XY Speed Rt M dak XY LEDgrourd N P gr n LED R rad 5V S North T prk Est U aage South A V Hue West 1 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 75 of 75 5800 W8 50 5800 HEAD POWER CABLE 2 3 8 A Wite 15 B rad MeinLanp C Hue D ydl
14. Manual Scan Optics Service Manual doc Page 45 of 75 5000 55 1 Drown by RJK CANOPTICS Dote 02 07 02 Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 46 of 75 50 5000 ZOOM ASSEMBLY SHEET 2 ItemName PartNo 0 1 ZOOM SHAFT ADAPTER PCFI 00118 1 2 ZOOM BEVEL GEAR 002 1 3 M8 WASHER 7 000 1 X 3 GRUBSCREW 5 0300 9 6 ZOOM SECURING NUT 00125 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 47 of 75 50 5000 ZOOM ASSEMBLY SHEET 3 ITEMDESCRIP TION 5 C SOCKET MOUNT 2 5 X 8 PAN HEAD SCREW APN 03008 APN 02506 m M3 X 8 PAN HEAD SCREW M25 X 6 PAN HEAD SCREW 2 5 X 10 PAN HEAD SCREW APN 02510 ZOOM MOUNTING PLATE CFI 00116 ICROSWITCH PCFI oo121 MLX8 PAN HEAD SCREW LAB x 3 8 SELF TAP SCREW FAST 04038 M3 WASHER 200 PINION PCFI 00123 MOUNTING PILLAR M3 X 6 PAN HEAD SCREW SERVOMOTOR MODIFIED OOM MOTOR BRACKET L mm Ea 12 a 200 MOTOR BRACKET 20 22 23 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures 50 5000 TILT ADJUSTMENT ASSEMBLY art No M3 X 6 CSK SCREW ACS 03006 S ADJUSTMENT BEARING 2 00022 ILT ADJUSTMENT BUSH 1 CFI 00044 ILT
15. S6 1 8 BONDER ARM PCFI 00093 1 9 M3 WASHER 03001 1 10 FOCUS SPACER PCFI 00108 1 11 M3X 8 PANHEAD SCREW FAPN 03008 12 X16 PANHEAD SCREW FAPN 03016 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 54 of 75 50 5000 FOCUS ASSEMBLY 5000 5 58 4 Drown by RJK can OPTICS 20 10 07 02 ItemName PartNo 0 1 5000 CONNECTOR BLOCK ASSEMBLY see 5000 57 2 1 2 5000 009 1 3 52 5 SHAFT 7 javailon request 1 SLIDER avail request 1 5 avail request 1 6 M3X6SHCS FASC 03006 2 7 5000 FOCUS KNOB MODIFIED PCFI 00096 1 8 M3NUT FANU 0300 2 9 MOUNTINGSTUD 000099 2 10 M4 X12GRUBSCREW 1 FAGS 04022 2 11 5000 FOCUS MOTOR ASSEMBLY 7 500058 1 13 8 WASHER NYLON 08000 14 LAMPHOUSE 94 003 1 16 M3 DOME NUT 001 2 17 5000 FOCUS SHAFT ADAPTER ASSEMBLY see 5000 58 2 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 55 of 75 50 5000 BONDER ARM ASSEMBLY 1 5000 CONNECTOR BLOCK ASSEMBLY See 500057 1 See 5000 S6 1 X Service
16. SO 111 151 161 MICROSCOPES INTRODUCTION The SO 111 151 161 series of microscope although very similar to each other do have some differences as summarized below FEATURE SO 111 50 151 50 161 IC 2 Scope Zoom Fixed magnification Fixed magnification ea Arm system Horizontal Horizontal Horizontal pantograph horizontal pantograph Lamphouse Top cable OR Top cable OR Top cable OR type Side cable Side cable Side cable Lamphouse Channel mount OR Channel mount Channel mount OR mounting style Ring mount Ring mount As an example the procedure for changing the mould pellet will differ between the SO 111 and SO 161 microscopes but the procedure for adjustment of the lamphouse will be identical if they both have the same mounting system As the table indicates there are two types of lamphouse and two types of mounting styles used on Scan Optics SO 111 151 161 microscopes Microscopes made before October 1995 feature a lamphouse with the cable entering through a grommet the top of the lamphouse head microscopes made after this date feature a door in the side of the lamphouse with a detachable cable which connects at the door The other notable difference is the ability to unwind the lamphouse head from the lens barrel in the side cable style while the top cable style has a head and lens barrel that are fixed together Refer to figure 161 51 Microscopes made before November 1999 feature a channel m
17. Service Manual Figures Page 37 of 75 50 111 LAMPHOUSE RING MOUNTING ASSEMBLY Note Sections of the bonder arm and BAM mounting bracket have been removed for clarity ItemName PartNumber 1 BONDER ARM PCFI 000 9 1 2 BAMMIGBRACKET PCFI 00077 1 3 UPPER MOUNTING RING PCFI 00075 1 LOWER MOUNTING RING PCFI 00076 1 M5 X 8 KNURLED CUP GRUBSCREW LAMPHOUSE SAFI 00014 1 M5 X 10 GRUBSCREW X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 38 of 75 50 111 MOULD PELLET REPLACEMENT ItemName 7 Part Number COVER PLUG a a EN 3 5700 MICROSCOPE HEAD OCOL 00002 1 4 ANTI MOULD PELLET OCOL 00004 1 5 52 BACK COVER 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 39 of 75 50 111 SIDE CABLE LAMPHOUSE ERVICE MANUAL LAMP REPLACEMENT 8 111 55 SCANOPTICS Dole 26 7 02 ItemName PPartNumber 1 SPRINGLATCH PCFI 00057 1 2 12V 20 GE ML7LAMP CLP 00001 1 AMPHOLDER 216 OCLH 00001 1 AMPHOLDER CARRIER PCFI 00068 1 ULB ADJUSTMENT SCREW PCFI 00065 1 6 COOLING FIN DOOR PCFI 00064 1 PRING 8 M4 X 12 GRUBSCREW 9 3 WAY PANEL PLUG ECCN 00001 1 2 5X16 PAN HEAD
18. able to see the lamp and judge the need for replacement When removing the old lamp ensure it has cooled fully as it may be very hot Once removed the new lamp can be inserted IMPORTANT Do not touch the new lamp with your fingers Instead replace it by exposing only the pins while holding the body of the lamp in the plastic wrapper in which it came Any grease or other contaminants left on the lamp by your fingers may significantly reduce the life of your lamp and may cause it to blow immediately It is also worth noting that should you wish to keep your old lamp as an emergency spare use a clean cloth to remove it from its holder again avoiding any contact with skin To adjust the position of the new lamp with the lamp on rotate the bulb adjusting screw located through the back of the lamp house door This will move the position of the lamp filament in or out of the central axis of the lamphouse barrel The position which will give the best light output is where the filament of the lamp is slightly off axis so that the reflection of the filament from the mirror is not shadowed by the filament itself By experimenting with the adjusting screw the optimum light output will be achieved Refer to figure 111 55 LAMP REPLACEMENT TOP CABLE STYLE LAMPHOUSE First remove the top cap of the lamphouse This is held in place by two small screws on either side It should be set so that you are able to simply pull the top cap off and snap it back in
19. arm remembering to re tighten the three safety screws Refer to figure 5800 51 Refer to figure 5800 W7 XY CONTROLLER BOARD The control system is located within the X Y positioning unit Similar to the SDS 213 Controller board the heart of the XY controller board is also a micro controller Its main purpose is to drive the two motors in the XY box according to the direction received from the joystick It also controls the return to centre function and controls the speed of the movement For full technical details please refer to the XY Controller Board technical manual Joystick When the joystick is pushed in the desired direction it sends a digital high to the microcontroller which in turn tells the motor driver IC to drive the DC motor in the right direction When the signal is received by the microcontroller a LED will light up continuously on the front panel of the XY box and also the main front control panel of the microscope power supply column Return to centre RTC The return to centre function works by detecting a dark area in front of the sensor mounted on the front side of the XY box The detector is a simply light dependant resistor which has a dark resistance of 20MQ Using a voltage divider circuit and coupled to a voltage comparator a digital signal can be sent to the microcontroller when the operator covers the sensor up with a finger hand This activates the microcontroller and begins the sequence to return the micro
20. circle of light within the circular field of view for the microscope While looking through the eyepieces move the lamphouse around until you can see that the light patch created is sitting in the centre of the microscope s field of view Once in position tighten the top grubscrew as well as the bottom two onto the lower retaining ring Note You may need to remove the auxiliary light from the mounting bracket in order to access the grubscrew for the lower retaining ring Having done this you can check that the prism is sitting centrally by inverting the head and looking up from the bottom If at this point it is still out of alignment loosen the grubscrews and adjust as required You will also need to check the all grubscrews are tightened and that the lamphouse is unable to move in any direction IMPORTANT Do not over tighten the lower grubscrews Too much pressure will cause the mounting bracket to swell out at the sides and this may effect the alignment of any binocular assistant microscope you may have as an accessory It is usually sufficient to tighten the grubscrews one quarter turn after contact LAMPHOUSE HEAD DISASSEMBLY The design of the lamphouse is such that the disassembly of the lamphouse head should almost never be required If however it is the procedure is as follows On the top of the lamphouse you can see three crosshead screws counter sunk into the top cap Remove and set aside You will now be able to disconnect the f
21. required lever of the microswitch and check again the function of the focus drive Continue with this process until the pin attached to the connector block trips the microswitch stopping the drive before its limit is reached Should it be required for any reason removal of the motor from the focus drive is as follows You will notice a red and blue wire running through the back of the focus casing and into the connector block The connector inside will need to be removed prior to removal of the motor It is possible with caution to make this disconnection without removing the front of the bonder arm to expose the PCB inside the connector block Ifa small pair of long nosed pliers can be inserted through the opening in the side of the connector block and the connector removed do so If you are having difficulty in removing it this way then the front of the bonder arm will need to be removed from the connector block to expose the PCB inside Once exposed disconnect the connector and pass it back through the connector block and into the focus housing Instructions on how to remove the front of the bonder arm to expose the connectors inside have been laid out in the previous chapter concerning the lamphouse removal After removing this connector the next step will be to remove the focus knob on the opposite side of the bonder arm To accomplish this loosen the two grubscrews set into the knob fixing it into X Service Scan Optics Service Manual Scan Op
22. the daily maintenance of Scan Optics ophthalmic microscopes is the accumulation of saline and other solutions on the objective lens and prism As these lenses are located at the lowest point of the microscope and thereby exposed to this type of contamination on a regular basis it is important to clean them daily when in use The reason for this vigilance is twofold Not only will the accumulation blur the image as seen through the eyepieces but if not removed in a timely manner this too will lead to an eventual permanent scarring of the lens surface Scan Optics can supply an optics cleaning pack with an appropriate lens cleaning solution included If this is not available an Ether Alcohol solution can be used We recommend a mixture of 70 Ether and 30 Alcohol However if Ether is not available pure Alcohol can be used as long as it is of a high percentage This mixture along with clean lint free cloth will apply to all lens cleaning you may be required to do as part of the microscope maintenance and service EYEPIECES The final aspect of maintenance that is common across the entire range of Scan Optics microscope is the eyepieces Cleaning of the eyepiece lenses is a simple procedure and should be considered in any routine maintenance programme The process is as follows First if in place remove the rubber eye shield from the eyepiece You can now unscrew the top retaining ring that holds the lenses in place Inside the eyepiece you will find
23. the very centre of the field of view You will also need to ensure that horizontal line is running completely horizontal across the field of view and not skewed up or down in any way IMPORTANT At this point do not move either the microscope or the target It is important that once they are lined up together they remain lined up together Now turn on the power and the lamphouse The light patch may be a long way off the centre of the target however this is fine as you will adjust it next IMPORTANT Do not move the target to line up with the light patch The light patch must be adjusted to line up with the target already in the centre of the microscope s field of view The above instructions for lining up the target with the microscope s field of view will apply to all models of microscope and only the methods of adjusting the light patch to meet the target will differ Refer to figure TARGET LIGHT PATCH ADJ USTMENT RING MOUNT STYLE Now that you have aligned the target to the field of view for the microscope it is time to adjust the light patch to align with the target The procedure for this adjustment in the current style of mounting system is as follows Loosen one of the upper grubscrews only enough to allow you to freely slide up and down and rotate the lamphouse As you do this you will notice the light patch X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Ma
24. will need to slide the remaining plate along the barrel of the lamphouse until the dimple on the plate lines up with the grubscrew on the bonder arm Carefully wind in the single grubscrew until it locates in the dimple of the plate It is important to ensure that the grubscrew locates properly in the dimple Once tightened you will be able to place the bonder arm and lamphouse upright and back into the pantograph arm At this point you can now check to ensure that that all the grubscrews are located properly in the dimples on the plates and that both plates are sitting square to each other on opposite sides of the lens barrel LIGHT PATCH ADJ USTMENT Once the lamphouse has been cleaned and returned to the bonder arm and with the head in place it is now time to adjust the positioning of the light patch to match the field of view for the microscope For this procedure you will need a target centre which has been included in this manual Cut out the target and paste it on to a semi rigid surface such as a piece of cardboard or rubber Anything will do it is only to keep the target flat and prevent the edges from turning up To start you will need to make sure that the microscope is completely set up and power is available to the unit Tighten all locking knobs and place the target on the table or other surface to which the microscope is clamped Focus on the target and ensure that when looking through the microscope the target centre is in
25. 0 series has a quick change lamp module for your convenience Replacement of the lamp is simply a matter of removing the lamp module with the old lamp and replacing it with the module containing the new lamp Replacement of the lamp itself within the module is made equally simple by a pre potted lamp that is required is to pull out the old lamp and holder and push in the new unit IMPORTANT When replacing any lamp remember not to touch any surface of the new lamp with you fingers as this will reduce lamp life X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 15 of 75 LAMPHOUSE REMOVAL AND SERVICING Due to the power requirements of the 5000 series microscope all of the accessories have been hardwired into the connector block which sits directly behind the lamphouse Removal of the lamphouse requires access into this connector block and instructions on this procedure are as follows EXPOSING THE CONNECTOR BLOCK The first step to take is to disconnect the zoom cable that runs from the zoom housing to the connector block You will also need to remove the auxiliary light from the side bracket Unscrew the retaining knob on the underside of the light and remove from the bracket At this point you can simply hang the auxiliary light off to one side Next remove the microscope head using the methods described in mould pellet replacemen
26. 1 gt Refer to figure 5000 52 Refer to figure 5000 53 LAMPHOUSE REPLACEMENT Having removed cleaned and replaced all lenses it is time to reassemble the lamphouse and reattach to the connector block and bonder arm To begin wind the lens barrel back into the lamphouse head until the two lines created earlier line up As a generality this will be about seven X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 16 of 75 turns from the first contact however this is only a rough guide and by no means represents a firm procedure The important factors to consider are the lining up of your vertical and horizontal marks and the positioning of the prism at 90 degrees to where the lamp enters the side of the head Once attached tighten the two or three grubscrews to hold the lens barrel in place You are now ready to secure the lamphouse back into the front section of the bonder arm Because all SO 5000 series of microscopes use the ring mounting system as described for the current model of SO 111 161 microscopes replacement of the lamphouse will follow the same procedures Once you have the lamphouse mounted back in the front section of the bonder arm it is time to reattach the front section of the bonder arm and lamphouse to the connector block The first thing you will be required to do is to reconnect the lamphouse to the PCB in the c
27. 1 may feature 1A or 2A circuit breakers in place of the 3A mains circuit breaker or a 10A circuit breaker in place of the 7A circuit breaker which is in series with the 15V output from the SMPS SO 5000 5 100 5600 5800 models that have the SDS 213 controller board with version onwards will have a slightly different internal pillar loom the cable which runs up down the main pillar The cable now terminates on the PCB at X1 and X10 X1 is a3 way 0 156 heavy gauge connector for the higher lamp current X10 is a 5 way 0 1 connector for the lower current focus zoom and camera power system These changes do not affect the electrical characteristics in any way SUMMARY If the unit suddenly fails to work before removing check the status of the two circuit breakers located on the face of the power supply If the circuit breaker has been tripped you will be able to see the white indicator on the top of the switch If this is showing ensure the power supply is switched off then press in and hold for a few seconds to reset the switch If the switch fails to reset or it does not solve the problem contact Scan Optics for assistance If required removal of the power supply is as follows Once disconnected from the power source remove the four screws from the underside of the power supply that hold it to the clamp casting Once removed you should be able to lift up and towards you to remove the power supply At this point you will notice the uni
28. ADJUSTMENT SHAFT ILT ADJUSTMENT NUT ILT ADJUSTMENT LINKAGE 00046 ONNECTOR PIN 4 X 8 PANHEAD SCREW 6 DOME NUT ANU 06001 6 WASHER AWA 06001 6 WAVE WASHER LYMPUS BONDER ARM NIVERSAL ARM CONNECTOR PCFI 00047 RACKET FOCUS KNOB M3 NUT F ANU 03000 MOUNTING STUD ILT ADAPTER 20 TILT ADJUSTMENT CFI 00042 21 ADJUSTMENT KNOB 2 2 n i m 2 3 ce Item EE EX ES E 6 EN 10 EIN 20 X Service Scan Optics Service Manual Scan Optics Service Manual doc Page 48 of 75 Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 49 of 75 50 5000 CONNECTOR BLOCK ERVICE MANUAL ASSEMBLY SHEET 1 lt gt Parts List tem Oty 1 LARGE 2 PIN HEADER ECCN 00017 2 2 CONNECTOR BLOCK PCB ECCB 00002 M3X6PANHEAD SCREW JFAPN 03006 SNT 7 03000 1 6 WASHERPLAIN JFAWA 03001 1 7 REGULATOR 00001 1 12V FOR FANS 22 FOCUS DRIVE ZOOM DRIVE X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 50 of 75 50 5000 CONNECTOR BLOCK ERVICE MANUAL ASSEMBLY SHEET 2 ItemName PartNo Qty 1 CONNECTOR BLOCK PCFI 00097 1 2 CONNECTOR BLOCK CLAMP BAR PCFI 00098 1 5 M3x20SPRINGPIN
29. CD monitor on all video systems and considers no part of this monitor as serviceable Should any fault occur with the monitor the only course of action we recommend is to return the unit to Scan Optics and we will contact the manufacturer for repair The second component is the C mount camera and CTV assembly Again this is not considered a serviceable component and it is recommended that the unit be returned to Scan Optics should any repair be required On the top of the camera you will notice three adjustment points All of these can be adjusted to the preferences of the end user and more information can be attained from the camera manual supplied with all video systems The camera comes attached to an SZ CTV unit This unit will allow for focus of the camera image independently of the microscope focus During manufacture the camera is focused to the same plane as the microscope Should it ever be required it can be re set as follows First zoom in on an object to the full extent of the zoom range Focus the microscope so that the image is clear then using the focus adjustment on the back of the CTV unit focus the image on the monitor The camera is attached to this CTV unit through a C mount adaptor ring that is threaded into the bottom ring of the camera This adaptor ring will have a heavily knurled finish and be either black or silver in colour This ring should not be confused with the black ring held in place by three grubscrews to the bo
30. MBLY TOP CABLE STYLE If you have an older style lamphouse where the head and the lens barrel are a solid unit and the cable enters the top of the head as opposed to the side the procedure for disassembly is as follows Once you have removed the lamphouse from the bonder arm by the means described above the lenses are accessed through the bottom by removal of the prism holder IMPORTANT Before removing the prism assembly mark in pencil a vertical line crossing both the prism assembly and the lens barrel This will allow you at a later stage to replace the prism assembly in the exact same location You can now remove the two screws located on either side of the lens barrel holding the prism assembly in place Once the prism assembly is removed you will be able to see circlip near the bottom of the lens barrel This circlip will be holding in place the spacers and lenses of the lamphouse Remove this circlip and again carefully invert the lamphouse onto a table keeping all lenses and spacers inside Lift the lamphouse up to reveal a stack of lenses and spacers You can now clean and reassemble ensuring the correct orientation of all lenses and spacers When re assembling the top cable style lamphouse you will probably find it easiest to stack the lenses and spacers on a flat surface in the order they came out of the lamphouse originally Once X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN
31. OPTICS Service Manual SO 111 151 161 Microscopes Page 10 of 75 this is done insertion of all the lenses and spacers is accomplished by carefully sliding the lamphouse back over the stack until it meets the surface of the table Now while keeping the lamphouse in this same position gently slide the lens and spacer stack up until the top bi convex lens reaches its resting point at the top of the barrel near the head You can now reinsert the circlip and replace the prism assembly being careful to correctly line up the vertical mark previously made If you encounter difficulty in replacing the circlip it may be that the lenses have not seated properly and may require readjustment LAMPHOUSE REPLACEMENT CHANNEL MOUNT STYLE If you have not already done so wind in the three grubscrews on the one side so that they are all even and flush to the outside of the bonder arm Wind out the single grubscrew on the opposite side so that no part of it protrudes inside the bonder arm While holding the bonder arm in your hand with the three grubscrews facing upwards gently place the plate with the three dimples onto the corresponding three grubscrews You will need to make sure that the dimples on the plate locate correctly onto the three grubscrews Once in place carefully slide the lamphouse into the bonder arm being cautious not to knock the plate out of alignment with the three grubscrews Now while holding the bonder arm and the lamphouse both level you
32. OUSE LENS CARE Clean and properly maintained lenses are critical to good function both within the lamphouse and within the microscope itself While Scan Optics recommends that no service be undertaken in regards to the microscope head it is recommended that the lenses inside the lamphouse be cleaned as part of a routine maintenance programme We will now cover this aspect of maintenance LAMPHOUSE REMOVAL RING MOUNT STYLE The procedure for removal of the lamphouse depends on the mounting system fitted to that particular microscope In the latest version of the lamphouse mounting system the lamphouse is held within the bonder arm by two rings One made of acetal and located near the top of the lens barrel Tightening of the two grubscrews supporting this ring will prevent it from sliding up or down as well as preventing it from rotating left or right The other ring is made of aluminium and is located at the bottom of the lens barrel near the prism Tightening of the two grubscrews supporting this ring will prevent the lamphouse from swinging backwards or forwards Removal of the lamphouse is made easier by first removing the microscope head Loosen the two or three grubscrews holding the head in place and lift out To remove the lamphouse loosen the two grubscrews located on either side of the lower retaining ring You will now be able to swing the lamphouse back and forth Next loosen the two grubscrews on either side of the upper retaining ring
33. PHOUSE BARREL REMOVAL ERVICE MANUAL 161 53 SCANOPTICS Dote 768 02 ItemName Number 1 UPPER MOUNTING RING PCFI 00075 2 LOWER MOUNTING RING PCFI 00076 3 GRUBSCREW FAGS 04004 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 35 of 75 ERVICE MANUAL 50 111 LAMPHOUSE BARREL OPTICS 111 51 Drown by RJK CANOPTICS Date 29 5 02 1 M3X6CSK 5 03006 4 2 PRISM COVER PLATE 000 1 3 M3X 4 GRUBSCREW FAGS 03004 5 PRISM OPPR 00001 1 6 FOAMSPACER 7 00085 1 7 LENSBARREL 00069 1 8 LENS BARREL SPACER 3 00077 1 9 CONDENSER LENS 00001 1 10 LENS BARREL SPACER 2 PCFI 00071 1 11 CONDENSER LENS PCX 00001 1 12 RETAININGNUT PCFI 00070 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 36 of 75 50 111 LAMPHOUSE MOUNTING ASSEMBLY SHOWING TOP CABLE LAMPHOUSE Drown by Ru AND MOUNTING CHANNELS temName Part Number Qty 1 5 X 10GRUBSCREW 5 05010 0 2 MICROSCOPE HEAD 3 MOUNT CHANNEL 1 4 LAMPH0USE p 5 MOUNTCHANNEL1POINT 6 BONDER ARM X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS
34. Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 56 of 75 Protrusia P sant 4 Microswitch re order code ECSW 00004 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 57 of 75 50 5600 MOULD PELLET REPLACEMENT SERVICE MANUAL Name PartNo Oty 1 MICROSCOPEHEAD OCOL 00002 1 2 ZOOMCOVER 00077 1 3 ZOOMSPACER3 0019 1 amp 5 25 SCREW FAPN 05025 1 5 ZOOMCABLE ASSEMBLY SAFI 00037 1 6 BONDERARM PCFI 0009 1 7 GUDEHANDE PCFI 00094 1 8 GUIDE HANDLE GRIP PCFI 00095 1 9 M5 X 5 GRUBSCREW FAGS 05005 1 10 5 85 55 05008 1 IDEO CAMERA ASSEMBLY o TRU FIXING SCREWS FASC 03008 2 ABINON ANTI MOULD PELLET OCOL 00004 1 3 X 8 PANHEAD SCREW FAPN 03008 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 58 of 75 BEAM SPLITTER ADJUSTMENT SERVICE MANUAL 15600 adjust the mirror position Mirror adjustment moves If the target centre Is on the If the target centre is the Image In this direction bottom RHS comer of the screen top LHS comer of the screen move the mirror forward move the m
35. Spear b N 4 graurd BACKMBN green LED 5 R rad 45V NT b 19 WAYBURNDY PANEL NCU Sk D 7 red 45 T grk East 8 pure North U aange South TO POWER SUPPLY INTER CONNECTOR TO EXTERNAL PILLAR CABLE Title INTERNALPLLARLOOM Sze Nunte Revision 1 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 73 of 75 5800 W6 SO 5800 EXTERNAL MICROSCOPE POWER CABLE 1 2 i cAgo33zErxcrommoou C03 UUZz ACcrgoTmoou 19 WAYBURNDY FREEPLUG TO INTERNAL PILLAR LOOM x lt C 1 0 9 p 19 WAYBURNDY FREESOCKET H 15V red H aage H AxLamp ydlow Zoom XY BACK PLATE green Zoom Hue Focus ppe Focus Wite H GND Hue H 15V Hack GND HusWite XY Soead Pat dak XY LEDground Wite NC redwrite LED red 45V grk North gry East brown South aage West Sze Nune Revision 1 2 3 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 74 of 75
36. UCTION 25 AY UN ROUB HOOTIN 25 MOVIN OP OVER POWER SUPPLY FIGURES 28 WIRING DIAGRAMS 61 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 1 January 2004 SCAN OPTICS Service Manual Introduction Page 3 of 75 INTRODUCTION This manual has been written to allow qualified service personnel to service Scan Optics microscopes It should be used carefully and with reference to the diagrams included Scan Optics accept no responsibility for any losses or injuries caused by the actions of those people who undertake servicing using this manual Our technical staff are always available for assistance regardless of the age or purchase date of the equipment so please contact us by phone fax or e mail should the need arise Our contact details are included at the front of this manual For the ease of use this manual is divided into sections covering similar products The first section covers aspects of routine maintenance that are applicable across the entire range of Scan Optics microscopes The second section covers the service requirements of the SO 111 SO 151 and SO 161 microscopes due to the similarity of their components and specific service needs The third section covers the SO 5000 series of Scan Optics microscopes At the back of this manual you will find a compilation of drawings and wiring diagrams to assist you in your efforts It is important to remember though that
37. ace the head PRISM REPLACEMENT ALL STYLES Should it ever be required replacement of the prism in the current style lamphouse is as follows The prism is contained in the prism housing and sits below the auxiliary objective lens Removal is a matter of loosening the three grubscrews located around the bottom of the lens barrel and just above the prism holder IMPORTANT Prior to removal of the prism holder it is advisable to X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual SO 111 151 161 Microscopes Page 12 of 75 mark vertically across the prism holder and lens barrel to assist you in replacing the prism holder in the same orientation Once loosened you will be able to remove the prism holder and prism Invert the prism holder and remove the three crosshead screws holding the prism retaining plate in place You can now remove the prism Replacement of the prism is just the reverse of the above process IMPORTANT The prism has two different angles on each end One angle is obtuse blunt the other acute and sharp It is important that the end with the acute angle be inserted into the prism holder leaving the obtuse angle as the end that sits outside of the prism holder Place the prism acute angle inwards in the prism holder and replace the prism retaining plate When placing the prism in the holder it is a good idea to leave a gap of one millimetre between the ti
38. an and remove the cap The three wall sections will now come away freely At this point should it be required the fan can be removed and replaced You can now see the back of a concave mirror or reflector held inside a reflector cell by a circlip glued in place The reflector cell and mirror are then secured inside a reflector cell holder which is held to the lamphouse by three pillars Should replacement of this reflector cell be required the best approach would be to remove the circlip retaining the mirror followed by the removal of the mirror from the reflector cell The circlip is held in place by clear glue that will need to be removed or dissolved with acetone It is recommended that this approach be taken as movement of the reflector cell that holds the mirror will alter the focal point of the mirror Once removed a new mirror can be put in place and the circlip glued back in The reassembly of the lamphouse is simply the above X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 17 of 75 procedure reversed If the mirror has been replaced ensure that it is sitting flat on the bottom of the reflector cell and that the circlip has been replaced and re glued Place all of the three wall sections back on the lamphouse head ensuring that the section containing the lamp is sitting at 90 degrees to the prism Once in place re secure t
39. assembly sheet 1 5000 Connector block assembly sheet 2 5000 Focus assembly sheet 1 5000 Focus assembly sheet 2 5000 Focus assembly sheet 3 5000 Focus assembly sheet 4 5000 Bonder arm assembly 5000 Foot control 5600 Mould pellet replacement Beamsplitter adjustment Beamsplitter adjustment X Y Unit top cover removal X Service Scan Optics Service Manual Scan Optics Service Manual doc Page 28 of 75 Version 1 2 August 2004 Service Manual Figures SCAN OPTICS Service Manual Figures Page 30 of 75 COMMON 10x EYEPIECE ASSEMBLY EYE C EE Drown by RJK SCAN OPTICS 00 30 5 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 31 of 75 LAMP SPECIFICATION SERVICE MANUAL Drawn by RJK SCAN OPTICS Date 30 5 2 LCL 19 5mm X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 32 of 75 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 33 of 75 50 161 MOULD PELLET REPLACEMENT Part Number SF10 MICROSCOPE HEAD OCOL 00005 1 3 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 34 of 75 LAM
40. creen the eccentric stop needs adjusting DISASSEMBLING THE HEAD FOR BEAM SPLITTER USTMENTS Remove the camera assembly from the microscope head Undo the two screws on the zoom cover and remove Remove the guide handle by undoing socket head screw Unwind the screw holding the zoom plate to the bonder arm and grubscrew on the left side of the bonder arm Pull out the microscope head Undo the two socket head screws on the back of the trinocular unit and remove from the head IMPORTANT Avoid all contact with the surface of the beam splitter The reflective coating on the beam splitter is extremely delicate and cannot be easily cleaned Refer to figure 5600 51 If adjusting the mirror skip to the mirror adjusting instructions otherwise undo the two socket head screws on bottom of trinocular unit and remove the section holding the mirror and beam splitter X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 22 of 75 ADJ USTING THE ECCENTRIC STOP Apply a small amount of acetone to the grubscrew at the rear of the beam splitter mirror assembly to remove adhesive then loosen off the grubscrew Undo the two small Philips head screws at the base of the beam splitter mirror assembly on the TRU lock washer so that the beam splitter pivot moves freely The eccentric stop is the slotted part that the small grubscrew is immediately be
41. e options to turn the Main and or Auxiliary lamp on off and adjust the brightness of these lamps The Controller PCB also listens for signals from the foot control which controls the focus and zoom motors and the lamp brightness The two lamps are rated 50W and 20W for the main and auxiliary lamp respectively Together they draw a nominal total of 5 9A no peak current data available The lamps are modulated at a frequency of about 100Hz with varying duty cycles to control the brightness When these lamps are turned off the microprocessor diverts the current to a dummy load 2 x 2R2 5W resistors This 1s required since the SMPS needs a minimum load to supply a steady regulation and to achieve the design MTBF specifications There are five levels of lamp brightness which can be adjusted by pressing the lamp brightness button on the front control panel Five LEDS will light up accordingly to indicate the level The right most LED indicates minimum intensity and left most LED indicates maximum lamp intensity At maximum the lamp outputs approximately 80 000 lux at the correct working distance During power up the main lamp does not turn on to maximum immediately but rather is ramped up slowly This improves the lamp life and also limits the surge current The lamp brightness is controlled by modulating the input DC voltage s duty cycle PWM The microcontroller is programmed to vary the duty between 10 and 100 The main 50W lamp requires 3 3A to
42. e the camera assembly and check the image Repeat the process until the image is in the desired location When the monitor view is centred with the eyepiece view remove the in out lever and lock the beam splitter into place with the TRU lock washer Ensure that rear mirror is locked firmly into place Stick foam over TRU lock washer to fill the gap Carefully place TRU onto rear of head and secure Re check that the monitor view is still centred X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 23 of 75 POWER SUPPLY An AMTEX NFS110 7915 is a medically rated switched mode power supply SMPS that supplies regulated DC 15V supply to the Controller PCB It has a rated capacity of 80W for convection cooling to 110W forced air cooled Mains input voltage range from 85Vac to 264Vac and 120Vdc to 370Vdc with line frequency ranging from 47Hz to 440Hz A high voltage mains switch is used to power up the SMPS Turning this switch off will cut all power to the unit Turning the switch on will activate the SMPS The heart of the SDS 213 Controller PCB is controlled by a programmable 8 bit ST62T65CB6 microprocessor that controls all functions of the power supply output On board it regulates its own 6V from the SMPS An on off switch can be found on the main upper control panel Turning the switch on will activate the Controller PCB and allows th
43. e the lenses have been cleaned and re secured into the lens barrel you can re wind the barrel back into the head It is important to ensure that it is wound back to the same position as before To do so you will need to accomplish the following you will need to place the mark you previously made back to the same location You will also need to ensure that the door on the lamphouse head is sitting Once both of these criteria are met you can tighten the two grubscrews on the collar of the head thus holding the lens barrel in place LENS CARE SIMPLIFIED VERSION FOR SIDE CABLE STYLE An alternate approach is to clean just the top lens of the lamphouse Due to the lamphouse design the accumulation of dust on the lenses is usually contained to the top bi convex lens In this case only the one lens will require cleaning and the lamphouse removal and disassembly is not required To service the microscope using this approach is as follows Again this process is facilitated by the removal of the head as described previously Once the head has been removed and the lamphouse exposed you will need to make the same horizontal mark on the lens barrel as before This is to ensure that the head is wound back down to the original position Having done this loosen the two grubscrews on the collar of the lamphouse head and unwind the head from the barrel You will now see any dust accumulation that may be present on the top lens Simply wipe off this accumulation a
44. ee the zoom assembly attached to an aluminium plate and fixed to the side of the head The zoom function of the microscope is driven in and out by the motor turning a gear attached to an adaptor mounted on the zoom shaft of the microscope The two microswitches at the top of the zoom plate limit the zoom at the end of each range This is to prevent the motor from trying to drive the zoom after it has reached its maximum range Each microswitch is activated by one of two pins located in the zoom shaft adaptor directly behind the zoom bevel gear Should it ever be required adjustment of the zoom limits is achieved through the bending of the lever on the required microswitch When looking at the zoom plate directly on the microswitch on the left side limits the zoom in That is to say it will prevent the motor from trying to drive once the maximum amount of zoom is reached If the motor on your zoom drive continues to operate once the maximum range has been reached in either direction remove the cover observe the zoom operation at the end of each range and adjust the microswitch lever accordingly The motor for both the zoom and the focus drives are not considered a serviceable component and as such will need replacement in the unlikely event of problems occurring The first step required is to remove the solder from the red wire where it joins the zoom socket You will need to do the same for the black wire where it joins the microswitch leaving the d
45. eight to set a gap of 1 to 5mm and position the light patch so that it too is central to the target both horizontally and vertically Once in position tighten the single grubscrew to secure the lamphouse in place Now check to see that the lamphouse is firmly secured and not able to move in any direction Here you may need to tighten one or more of the three grubscrews to ensure a firm hold It is important to watch the light patch for movement as you do this Some movement may occur and this is acceptable so long as the light patch remains more or less central Having secured the lamphouse in the appropriate position remove the entire head assembly and check underneath to see that the prism is sitting centrally between the two internal lenses Although the simplified method of cleaning the lenses is not applicable to the top cable style of lamphouse it is possible to clean the lenses inside the lens barrel without removing the lamphouse from the bonder arm thereby avoiding the need to readjust the light patch To use this approach is as follows Again you will need to remove the head from the bonder arm Now remove the bonder arm and lamphouse assembly from the pantograph arm From this point cleaning and re assembly is as previously described with the only difference being the attached bonder arm After cleaning and replacing the lenses replace the circlip and prism assembly You can now replace the bonder arm into the pantograph arm and repl
46. en the mains switch and the IEC connector In the middle of this wire will be the internal fuse unscrew the two halves of the black fuse holder and check the condition of the fuse Replace as required and check the function of the microscope IMPORTANT If this fuse has blown it may be indicative of greater problems than just a faulty fuse It is recommended that after replacing this fuse you carefully monitor the function of the power supply If you find the fuse blows again in a short period we recommend you contact Scan Optics concerning this issue If the power supply is still not working after checking the above functions a manual check of all solder connections should be undertaken If for some reason a solder join has come loose re solder and check the function If after taking all of the above measures you find the power supply still not working we recommend that Scan Optics be contacted or the power supply be returned to us for inspection and repair As a generality if there is a problem in the power supply there will be no function whatsoever One exception to this is the function of the intensity adjustment for the lamphouse If you find that you have lost the ability to effect an increase or decrease in the light intensity the problem is most likely a broken solder on the trim pot responsible for this adjustment Again open the power supply ensuring the unit is disconnected from the mains power Inside the unit directly behind the ad
47. f the cover plate This may be covered by a small plastic cap Once the cover plate is removed you will be able to see the anti mould pellet stuck to the right hand side of the internal wall Simply remove the old pellet with a pair of pliers being careful not to touch the lenses sitting directly below After the old pellet has been removed peel the backing off the new pellet and fix firmly in place It is important to replace the pellet in the same location as placing it on the left can cause possible interference with the zoom mechanism or future beam splitting attachments Once this is accomplished replace the cover plate and re secure the microscope in the bonder arm as before Refer to figure 111 54 50 151 161 First remove the head from the bonder arm as described for the SO 111 above Once removed unscrew the auxiliary objective lens located at the bottom of the microscope head You will now be able to invert the head and look inside through the bottom At this point you should be able to see the anti mould pellet fixed to the back wall of the head between the two lenses Again remove with a pair of long nosed pliers being cautious of the lenses Once removed replace with the new pellet Screw the auxiliary objective lens back on and replace the head in the bonder arm as before gt Refer to figure 161 52 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual
48. g ring IMPORTANT Do not over tighten the two lower grubscrews as this will cause the bracket to bulge out and this will affect future or current assistant microscope applications It is important to tighten all four grubscrews evenly to prevent the light patch from being shifted to the left or the right Once the light patch has been adjusted and secured you will need to check the target in the field of view If it is still central and the light patch is sitting centrally on the target then the work is complete If however either is not central you will need to go through the adjustment process again At this point remove the head and lamphouse assembly from the bonder arm and invert so that you can check to see that the prism is located centrally between the two lenses inside the head LIGHT PATCH ADJ USTMENT CHANNEL MOUNT STYLE The procedure for adjusting the light patch with the channel mounting system is essentially the same You will need to line up the target with the field of view in the same manner as described above Once in place loosen the single grubscrew only enough to allow free movement of the lamphouse being careful not to loosen it so much that the grubscrew is allowed to slip out of the dimple in the plate IMPORTANT Loosen only the single grubscrew while leaving the three grubscrews on the opposite side sitting flush with the outside of the bonder arm as previously set Once the lamphouse is able to move freely adjust the h
49. he button does not click correctly the microswitch is faulty The foot control may be connected to the microscope unit to check the operation of the pedal e Ifthe protrusion that activates the microswitch is broken but the microswitch still operates you could try to shape a replacement piece from wood or plastic and glue it in to place e Ifthe microswitch is faulty replacements may be ordered from Scan Optics Cut the wires on the existing switch remove it and put the new switch in place soldering to each wire in turn Use heat shrink or insulating tape so the wires do not come in contact with one another e If neither the protrusion nor switch is faulty it is possible the protrusion is misaligned the foot pedal may be successfully repaired by carefully pairing the cover and bottom half together To return the foot control to its original condition replace the cover on the foot control checking that the three springs are in place Ensure that the cover lines up correctly with the bottom half of the unit Apply firm pressure to click the four lugs back in place Refer to figure 5000 58 10 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 21 of 75 VIDEO ATTACHMENTS The video system for the SO 5600 can be broken down into three basic components or groups of components The first is the monitor Scan Optics uses an L
50. he X Y unit To adjust the RTC sensitivity on earlier models where there is no dedicated knob on the back panel of the X Y unit locate the trim pot on the PCB that lines up with the hole in the top cover The trim pot is off white with a yellow central section where the screwdriver engages This should be X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5800 Microscopes Page 26 of 75 pointing upward towards the top cover but it is possible the trim pot has been angled back from attempts to find it with the screwdriver If this is the case gently push it back into position Where other problems have been identified the entire back panel may have to be removed for easier access Remove the two screws along the bottom line of the panel Check the row of connectors located on the PCB The connectors should be pushed in place firmly if they are not seated correctly Check also for any wiring snags which may be impeding the movement of the internal mechanism or for foreign matter on the North South and East West drive shafts Note that these shafts essentially stay fixed while the motor and gear mechanisms drive along them When the connectors are in place correctly replace the back panel To replace the top cover and cover plate on the microscope and practice locating the adjustment screw through the hole Then reassemble the X Y unit and head back on the end of the
51. he top cap with the three counter sunk screws AUXILIARY LIGHT DISASSEMBLY To change the lamp in the current style of auxiliary is simply a matter of unscrewing the knurled Acetal ring on the front of the light This ring also houses the UV filter and a heat filter both of which are held into this ring by two grubscrews each Should it ever be required you can remove both the UV filter and the heat filter from this holder The process for this is as follows Having unscrewed the ring from the main body of the auxiliary light you can see the threaded section of the UV filter protruding from the bottom of the ring Loosen the two grubscrews from along the bottom edge and the UV filter will simply pull out Remove and replace as required Removal of the heat filter follows a similar process You can see that the heat filter is held in place by an internal retaining ring that is secured by two grubscrews along the top edge Loosen these two rings and remove the internal retaining ring You can now remove and replace as required the heat filter X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 18 of 75 ZOOM DRIVE The zoom drive for the 5000 series of microscope is located in a housing attached to the microscope head Access to the motor and gears is achieved by removing the two screws holding the cover in place Once removed you will be able to s
52. ing Diagrams 5000 W2 SO 5000 5100 5600 POWER SUPPLY Microscope ih A ON OFF Auxiliary lamp Main lamp ON OFF ON OFF Mains ON OFF 5 1 Foot 3A Mains E Overload circuit breaker 7A Controller PCB overload circuit breaker External power source input socket X Service Scan Optics Service Manual Scan Optics Service Manual doc Page 64 of 75 Lamp intensity brightness up down Top control panel Front Panel a Footswitch connector switch activated LED 2R2 dummy load Focus amp Zoom speed Version 1 2 August 2004 SDS 213 Controller PCB AMTEX SMPS SCAN OPTICS Service Manual Wiring Diagrams Page 65 of 75 5000 W3 SDS 213 CONTROLLER BOARD AND INTERFACE Ribbon cable from top panel keypad 3A Neutral Line circuit breaker 7A overload circuit breaker Microprocessor controller 15V source from SMPS 12V internal cooling fan socket header 7 LI Connector to footswitch socket External power source input Main upper control panel X Service Scan Optics Service Manual Scan upucs service manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 66 of 75 5000 WA 5 5000 5100 5600 POWER SUPPLY WIRING SCHEMATIC v2 PMBF170 vec a D4 28 rst b 25 DS1813 3 5 vio R5 8 IRF3205 2R2 PWS Standby Mein Lamp Lamp Up Lamp Down Common 12
53. iode in place The motor can now be removed and replaced by removal of the four screws sitting on top of the motor bracket When the new motor is replaced the wires will need to be soldered back to their original position The main bevel gear can be removed by removing the lock nut that holds it in place To accomplish this you will first need to loosen the grubscrew that passes through the nut onto the shaft If required a 15 mm spanner can be slid in behind the motor onto the zoom shaft adaptor to prevent the zoom shaft from turning while trying to loosen the retaining nut Refer to figure 5000 S5 1 Refer to figure 5000 S5 2 Refer to figure 5000 S5 3 FOCUS DRIVE The focus drive for the 5000 series of microscope is located in a rectangular casing attached to the bonder arm on the same side as the zoom casing Access to the components is achieved through the removal of the cover held in place by four screws As with the zoom drive the focus drive operates by a modified servomotor driving two gears that are attached to the rack and pinion gearing of the bonder arm You will notice the same microswitches located at the top and bottom of the focus housing These again are the limit switches and adjustment is achieved through same means as in the zoom drive If the focus drive is operated with the cover removed you will be able to see if in fact the motor is continuing to drive after it has reached its limit If this is the case simply bend the
54. irror back If the target centre is on the If the target centre is on the aes bottom LHS comer of the screen top RHS comer of the screen need less stop need more stop Rotate clockwise Rotate anti clockwise X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 59 of 75 lt gt Cw 75 oy Name TRU MOUNT BASE MIRROR MOUNT EN 3 MIRROR EE 4 BEAMSPLITTER PIVOT 1 5 TRU LOCK WASHER _ 1 6 ECCENTRIC STOP 1 7 BEAMSPLITTER 1 8 STOP LOCKING GRUBSCREW 1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures Page 60 of 75 Drown y RJK camoPrics Dote 13 8 2 UNIT TOP COVER REMOVAL 2 SCREWS FRONT PANEL TOP COVER RTC SENSOR WINDOW TOP COVER COVER PLATE 2 SCREWS X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS WIRING Diagram 111 W1 5000 W1 5000 W2 5000 W3 5000 W4 5000 W5 5800 W1 5800 W2 5800 W3 5800 W4 5800 W5 5800 W6 5800 W7 5800 W8 Service Manual Wiring Diagrams DIAGRAMS Description SO 111 Power supply wiring schematic SO 5000 5100 5600 Power and control block diagram SO 5000 5100 5600 Power supply SDS 213 Controller board and interface SO 5000 5100 5600 Power supply wiring schematic SO 5000 Power supply inte
55. ix these problems first identify which particular switch is not working You will notice that the foot control consists of two plastic switch housings each of which contains three switches a central bar and a mounting plate Turn the foot control upside down and locate the four holes on the side of the foot pedal where the faulty microswitch is located IMPORTANT Do not attempt to undo the screws on the mounting plate Using a flat head screwdriver insert the blade of the screwdriver in each hole in turn Then carefully prise apart the clips that hold the top cover of the foot control in place Note that the screwdriver position to do this is not always the same in each hole some are at 90 degrees to the others Turn the foot pedal the right way round again and remove the top cover half in question Note the three springs should be located on the star shaped protrusions X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 20 of 75 Look at the under side of the top cover Check that the three longest wedge shaped protrusions are intact These protrusions activate the microswitches that are located on the bottom fixed section of the foot switch Locate the microswitch that corresponds to the position of the faulty pedal Check the operation of the switch by manually depressing the white button which is surrounded by the red sleeve If t
56. justment knob you will see the three wires running form the pot to the PCB Check for a solid connection and re solder if required If this fails to achieve a result contact Scan Optics Refer to figure 111 W1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 14 of 75 50 5000 5100 5600 MICROSCOPES INTRODUCTION The SO 5000 series microscopes differ from the SO 111 151 161 range in that they feature foot controlled zoom and focus The optical head used is identical to the SO 111 microscope In addition the SO 5000 and 5600 microscope feature a floor stand while the SO 5600 also includes teaching aids a binocular assistant microscope and a video camera and monitor unit Before attempting any servicing of the SO 5000 5100 5600 microscope first become familiar with the appropriate SO 5000 User Manual MOULD PELLET REPLACEMENT The process for replacing the mould pellet in all models of the 5000 series is essentially the same as it is for replacement in the SO 111 It is important to remember that the pellet must be replaced in the same location as before The only variances in this process will be the removal of the head and possibly the back cover depending on the model you have The first step in replacement of the mould pellet is the removal of the head The process for this is the same for all styles of the 5000 series microscope
57. lens barrel in and out of the head you will affect the focal point of the lenses in relation to the lamp and all of this has an effect on the light patch By marking the lens barrel in this manner you allow yourself the ability to rewind the lens barrel to the same height as previously set It may also be helpful to place a vertical mark on the collar of the lamphouse head directly above the horizontal mark on the lens barrel Once you have marked the lamphouse in this manner you can loosen the two grubscrews located on the collar of the lamphouse head Refer to figure 161 53 This will now allow you to unwind the lens barrel from the head and expose the internal lenses The easiest method of removal for the lenses is as follows unwind or remove the circlip or retaining nut fig 12 Carefully invert the lens barrel onto a table or similar flat surface ensuring that the lenses remain contained inside the barrel By carefully lifting the lens barrel up you should now have a stack of lenses and spacers in the correct order for re insertion after cleaning Referto figure 111 51 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 111 151 161 Microscopes Page 9 of 75 At this point you are now ready to clean all the lenses and reassemble the lamphouse The procedure for re assembling the lamphouse is just the reverse of disassembly and should be straightforward Onc
58. low Turn the stop a small amount approximately 1 8 of a turn as only a small adjustment have a big effect on image location on the monitor Refer to figure 5600 52 Refer to figure 5600 53 Sometimes because the stop has been turned further than normal the reverse to what the diagram says will apply however 90 of the time the diagram will be right Make sure the pivot is touching the stop Tighten the grubscrew and screw the Philips head screws back in the TRU lock washer Place the beam splitter mirror assembly back in the trinocular unit housing and replace the socket head screws Place the trinocular unit back in head and wind the socket head screws back in Place the microscope head back in the bonder arm tighten the Philips head screw and grub screw Replace the camera assembly and check the image location on screen Repeat process until the image is in the desired location ADJUSTING THE REAR MIRROR Apply a small amount of acetone to the four locking and adjusting grubscrews to remove adhesive Loosen the locking grubscrews turn both adjusting screws approximately 1 8 of a turn as only small amount of adjustment is required to move the image Refer to figure 5600 52 Refer to figure 5600 53 Tighten the locking grubscrews back up place the trinocular unit back in the microscope head replace the socket head screws and place the head back in the bonder arm tighten the Philips head screw and grub screw Replac
59. nnected ends of the wire to check if it performs the same function as specified If in doubt contact Scan Optics for technical advice Refer to figure 5800 W1 Refer to figure 5800 W2 Refer to figure 5800 W3 Refer to figure 5800 W4 Refer to figure 5800 W5 Refer to figure 5800 W6 Refer to figure 5800 W7 Refer to figure 5800 W8 489 8 4 4 4 4 4 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Figures FIGURES Figure Description TARGET Lamphouse alignment target EYE SI LAMP SI 161 S1 161 S2 161 S3 111 81 111 52 111 83 111 54 111 55 111 56 5000 51 5000 52 5000 53 5000 54 5000 S5 1 5000 S5 2 5000 S5 3 5000 S6 5000 S7 1 5000 S7 2 5000 S8 1 5000 S8 2 5000 S8 3 5000 S8 4 5000 S9 5000 810 5600 81 5600 82 5600 83 5800 81 Common 10X Eyepiece Assembly Lamp specification Lamphouse comparison 161 Mould pellet replacement Lamphouse barrel removal 111 Lamphouse barrel optics Lamphouse channel mounting assembly Lamphouse ring mounting assembly 111 Mould pellet replacement Side cable lamphouse lamp replacement Top cable lamphouse lamp replacement 5000 Lamphouse barrel and prism holder assembly 5000 Lamphouse barrel assembly 5000 Prism holder assembly 5000 Lamphouse mounting assembly 5000 Zoom assembly sheet 1 5000 Zoom assembly sheet 2 5000 Zoom assembly sheet 3 5000 Tilt adjustment assembly 5000 Connector block
60. no amount of service can compensate for the proper daily maintenance of any piece of equipment and to that end we will discuss this issue of maintenance first X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Introduction Page 4 of 75 GENERAL MAINTENANCE MOULD The growth of mould on the optical surfaces of the microscope is a serious concern especially in humid environments If the mould is allowed to grow and remain too long a permanent scarring of the reflective coating can occur rendering the lens ineffective Mould requires moisture and a food source to grow By removing these aspects of the environment through regular cleaning and the correct storage of equipment when not in use the prevention of growth is achieved All Scan Optics microscopes come equipped with an internal anti mould pellet to assist in the prevention of mould growth This pellet will need to be changed every two to three years and instructions on how to do so in all models is included in this manual It is important to cover any equipment when not in use with the microscope covers provided to prevent the accumulation of dust As an extra measure it is advisable to store the microscope head and lamphouse assembly in a sealed plastic bag with a moisture absorber when not in use for an extended period All of these items are available from Scan Optics CLEANING One other factor to consider in
61. nual SO 111 151 161 Microscopes Page 11 of 75 move on the target below Position the lamphouse so that the light patch is located centrally on the target both horizontally and vertically and that there is a gap of between to 5mm between the prism and the bottom lens At this point you will also need to ensure that the prism of the lamphouse is sitting centrally between the internal lenses of the lamphouse A good indication of this is to look through the eyepieces If you can see a shadow in the field of view either to the left or right side then chances are the prism is not central and requires rotation To do so again loosen a single grubscrew from the top retaining ring and while looking through the eyepieces rotate the lamphouse left or right As you do this you will see the shadow switch between the left and right side of the light patch Position the lamphouse so that it is not visible on either side Once in position tighten the single grubscrew previously loosened You will now be able to swing the lamphouse back and forth but it should not be able to rotate or slide up or down Look through your eyepieces to ensure that the target is still in the centre of the field of view If it is not relocate it as before and adjust the lamphouse as required Once in an acceptable position horizontally rock the lamphouse back and forth to find the correct position vertically Once in place tighten the two lower grubscrews onto the lower mountin
62. onnector block Once connected replace the clamp bar at the top of the connector block You can now gently slide the bonder arm lamphouse assembly back onto the connector block passing the two sections of threaded rod back through the two holes at the bottom of the bracket Once located replace and tighten the two crosshead screws previously removed as well as replacing the two dome nuts on the ends of the threaded rod and tighten You can now reattach the auxiliary light and replace and secure the microscope head At this point you are now ready to re align the lamphouse to the field of view for the microscope LIGHT PATCH ADJ USMENT Although the principles of alignment are the same for the 5000 series of microscope as they are for the 111 161 series some variation is present As the light patch for the 5000 series is round there is no requirement for the use of the target centre to align to the field of view The procedure for alignment in all models of the 5000 series is as follows Set the microscope zoom to the minimum amount Zoom out as far as possible By loosening one of the top grubscrews for the mounting ring you can adjust the lamphouse up or down as well as rotating it Adjust the lamphouse so that the prism is sitting roughly central and there is a gap of between one and five millimetres Now while looking through the eyepieces you will be able to see the entire light patch contained in the field of view This will appear as a
63. operate at maximum 15VDC The motors that drive focus and zoom are NES 507 dc servomotors The directions of these motors are controlled by the logic in the foot control micro switches and the limit switches and diode combination in the focus and zoom control box A variable voltage regulator controls the applied voltage to the motors effectively it controls the speed of the motors A potentiometer on the front panel of the unit allows adjustment to be made Three 12Vdc fans are used for cooling One is used in the main power supply enclosure The other two are used to cool the lamp house and auxiliary light Since the SMPS only provides 15V output a 12V regulator located in the connector block regulates the light fans The microprocessor also controls the buzzer which will make an audible beep when any of the buttons are pushed on the main upper panel A beep is also heard when the lamp brightness is adjusted from the footswitch No beep is created when the zooming or focusing In the event that Mains power is unavailable the unit has the ability to be powered from an external source e g a 12V car battery When no 15V is supplied to the Controller PCB a relay will switch the circuitry to draw power from the external source To protect the unit from incorrect usage or faults protection diodes are used to protect the Controller PCB from incorrect polarity and current surge There are two reset able thermal strip X Service Scan Optics Se
64. ounting system for holding the lamphouse in place microscopes made after this date feature a ring mounting system for holding the lamphouse Refer to figures 111 52 and 111 53 Note that where reconditioned microscopes have been supplied microscopes supplied after the changeover dates may feature the older top cable style lamphouse or channel mounting system Other design changes including changes to the arm system provision of a built in tilt mechanism sterilisable knob covers and accessory mounting brackets have also been introduced over recent years Generally these items should not require servicing but if any technical information or spares are required please contact Scan Optics X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual SO 111 151 161 Microscopes Page 6 of 75 MOULD PELLET REPLACEMENT It is recommended that the mould pellet be changed in the microscope head every two to three years depending on climatic conditions Replacing the mould pellet in the SO 111 series of microscope will be the same for all 111 microscopes using the Olympus head To replace the pellet is as follows SO 111 First remove the head from the bonder arm This is accomplished by removing the three grubscrews that hold it in place Next locate the covering plate that sits on the back of the microscope head opposite the eyepieces Remove the single screw that sits in the centre o
65. ow Zom E green Zoom F white Focus G aage Foas H dak GND Sd cer thebere sidd cdde tothe GND pinP gt TO XY BACK PLATE CONNECTOR BLOCK PCB 4 i FAN 2 av 1 2 1 2 Sze 1 2 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004
66. p of the prism and the back wall of the prism holder Once secured the prism holder can be replaced in the lens barrel lining up the vertical mark previously made and tightening the three grubscrews The above process will only differ slightly with the top cable style lamphouse in that the prism holder is held in place by two screws on either side of the barrel as opposed to the three grubscrews in the current style Refer to figure 111 51 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual SO 111 151 161 Microscopes Page 13 of 75 POWER SUPPLY For the most part there are no serviceable components in the power supplies of the SO 111 and 161 and as such it is recommended that the units be returned to Scan Optics should repair work be required It is difficult to list specific issues regarding the power supply as nothing internally should require service However some factors may affect the function of your unit We will now cover these issues as well as some general trouble shooting IMPORTANT It is critical that the power supply be disconnected from the mains power prior to commencing any type of service work The risk of electrocution from working on a live power supply is great The first factor to consider is the voltage setting of the power supply All Scan Optics microscopes come with a variable voltage selector to allow for operation in countries with eithe
67. place as you desire If however you have trouble in removing this top cap it may help to loosen the two opposing screws It is important to note here that only the two small screws opposite each other will require adjustment Once the top cap is removed the lamp can be accessed and changed taking care not to touch the lamp surface Then examine the top cap assembly to check whether the filament of the lamp is in the position to yield the brightest light output The best position will be where the filament of the lamp is slightly off the central axis of the cap so that the reflection of the filament may be observed butting against the filament itself The position of the lamp may be adjusted simply by moving the lamp manually in and out of the lampholder taking care not to touch the lamp surface Note also that the lamp should not be skewed but perpendicular to the lampholder Once the lamp is changed and you are ready to place the top cap back on you will notice a single screw protruding all the way through the top cap This screw sits between the two smaller screws opposite each other and it is important that this screw line up with the slot cut into the inner barrel of the lamphouse This is in fact the only way the lamphouse will reassemble properly Refer to figure 111 56 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual SO 111 151 161 Microscopes Page 8 of 75 LAMPH
68. r 110V or 240V supply If your microscope fails to function it could be that the voltage selector is set to the wrong setting and as such has probably blown the external fuse First check that the correct voltage is selected The voltage selector is located on the underside of the power supply where the cable enters the unit Check that it is set to the correct setting for your location If it is not the change is made by adjusting with a flat screwdriver to the correct position Now re check the function of your microscope If it is still not functioning you may need to replace the external fuse This is located next to the voltage selector and is removed again with a small flat screwdriver by pushing upwards and rotating in the direction of the arrow With the fuse now replaced again check the function of the unit If after making these adjustments the power supply is still non functional the problem may lie with the internal fuse This is located between the mains switch and the IEC connector inside the power supply IMPORTANT Disconnect the power supply from the mains power Open the power supply by removing the single screw located on the underside of the unit near the fuse and voltage selector Once removed gently lift the lid up and back Having removed the front cover of the power supply you will need to disconnect the earth tag which you can see attached to the side of the case You should now be able to see a red wire running betwe
69. r connectors SO 5800 Power and control block diagram SO 5800 Foot control wiring schematic SO 5800 Lower pillar panel schematic SO 5800 Power supply inter connectors SO 5800 Internal pillar horizontal arm loom SO 5800 External microscope power cable SO 5800 X Y back plate SO 5800 Head power cable X Service Scan Optics Service Manual Scan Optics Service Manual doc Page 61 of 75 Page 62 64 65 66 67 68 69 70 71 T2 73 74 75 Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 62 of 75 111 1 SO 111 151 161 POWER SUPPLY SCHEMATIC 50 111 POWER SUPPLY WIRING SCHEMATIC X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 F2 4 12 D3 Nes ee 220 e 15V 110 9 1 l 2 Lo V lt gt 110 gt 510 1 210 Farnell 486 5 5 e SCAN OPTICS Service Manual Wiring Diagrams Page 63 of 75 5000 W1 SO 5000 5100 5600 POWER AND CONTROL BLOCK DIAGRAM SO 5000 microscope head 12V unit Battery SO 5000 power supply unit 505 213 7915 SMPS Focus drive box Foot control Zoom drive box X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wir
70. ring Diagrams Page 70 of 75 5800 W3 SO 5800 LOWER PILLAR PANEL SCHEMATIC 1 2 8 4 BURNDY 19WAY PANEL MOUNTED SOCKET 15 WAYMATEAND LOK 015 1 BLACK FOCUS UP D A 1 2 BROAN FGCUSDOWN B 3 FED ZOOMIN 4 ZOOMOUT 5 A 5 YA LOW 5 6 GREEN F 6 i EM 11 GFEY 45V L 12 FURRE NORTH M 13 PNK EAST N 14 CHANGE SOUTH 15 BUE WEST R T FOOTPEDAL IEC MAN 1 TOSNTCHMCDE POWER SUPPLY f 3 3 3WAYMATEANDLCK 1 2 S PR Y 3WAYMATEANDLOK 1 EARTH YHLONCREEN BROAN 3 NEUTAL BLUE WAYMATEANDLOK A 1 2 3 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual Wiring Diagrams Page 71 of 75 5800 W4 SO 5800 POWER SUPPLY INTER CONNECTORS AMTEXSMPS D 3WAYMATEANDLOCK SA24NACCIRCUIT BREAKER reentdlow 1 2 2 1 brown 3 a 3 own L Hue TOT Hue X 2 B 10 E En NC 13 NFS7915 TO LOWER PILLAR PANEL X2 FOOTFEDAL frown
71. rvice Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 24 of 75 circuit breakers to provided overload protection The first is a 3A connected directly in line with the Mains neutral line This is an additional safety feature to the slow blow 5A Active line fuse on SMPS The second is a 7A circuit breaker in series with the 15V output from the SMPS This is to provide protection to the Controller PCB in the event that the SMPS fails and provides an output above the specified range A feature of the power supply is that it will only be on when there is a minimum load of at least 22Q In the event that the SDS 213 board fails the SMPS will not power up FOCUS ZOOM CONTROL The focus and zoom motors are controlled by a simple H bridge circuit of micro switches inside the foot switch unit The positive and negative voltage rails to the motors are swapped accordingly each time the pedals are depressed The speed of the motor is controlled a simple variable voltage regulator LM317T which varies the voltage between 2 and 6V Inside the focus and zoom housing block on the microscope head there are micro switches which are broken when the microscope head reaches the limit of movement When these switches break it cuts the forward power rail to the motor but still allows the motor be reversed through diodes VARIANTS 5 5000 5100 5600 models manufactured prior to May 200
72. s described previously and reassemble the head again following the directions previously laid out The cleaning of the lenses in this method has the benefit of not requiring the readjustment of the light patch as it should be in proper alignment to begin with gt Refer to figure 161 53 LAMPHOUSE REPLACEMENT RING MOUNT STYLE Now that you have cleaned the lenses and re assembled the lamphouse it is time to replace the unit in the bonder arm You will notice two dimples on either side of the top mounting ring These dimples correspond with the top two grubscrews that you loosened to remove the lamphouse in the first place To replace the lamphouse lower the unit into the bonder arm with the prism facing forward Line up the two dimples on either side of the mounting ring with the top grubscrews and tighten them evenly so that they are both an equal distance in and seated into the dimples on the ring For this process you may need to support the ring near the top of the lamphouse while tightening the grubscrews to prevent the ring from sliding back down the barrel You should now be in a position where the lamphouse will rock back and forth but not up or down Now replace the head and re secure with the three grubscrews If at this point you find the lamphouse sitting too low or to high you can adjust this by loosening one of the two top grubscrews and sliding the lamphouse up or down as required LAMPHOUSE DISASSEMBLY LENS CLEANING AND REASSE
73. scope head to the centre position During this phase the LEDs will flash on and off until it has reached the centre Motors The XY movement is controlled by two 12VDC motors mounted inside the XY frame The motors drive a helical gear by a worm fixed to the shaft A female thread inside the helical gear is matched to a threaded rod fixed to the system frame One motor controls the back and forth whilst the other controls the left and right direction By varying the voltage to the motor the speed can be adjusted The voltage is regulated by a variable voltage regulator on the XY controller board and is adjusted by the speed controller on the main front control panel gt Refer to figure 5800 W7 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5800 Microscopes Page 27 of 75 POWER SUPPLY In all functional respects the SO 5800 power supply is identical to that of the SO 5000 5100 5600 with the exception that the power supply also supplies the separate X Y control system separate power supply to power the monitor screen is located behind the lower pillar panel This power supply uses the same mains input as the microscope but in all other respects is separate Note that there may be some minor variations in wiring colour schemes from those presented in the schematic diagrams In the case of wire colour variation check the terminations eg pin number letter at the co
74. t Once removed you will now be able to see two small dome nuts sitting on the back of the black mounting bracket directly behind the lens barrel at the bottom Remove and keep in a safe location Now gently wind up the focus knob on the left side until it reaches the top of its travel You will now be able to remove the two crosshead screws on either side of the focus rack that pass through the connector block Having done this you will now be able to separate the front of the bonder arm along with the lamphouse from the connector block At this point you will see two lengths of threaded rod protruding from the bottom of the connector block It is important that they be left as they are in no way should you attempt to remove or loosen them You can now look inside the connector block to see where the cable from the lamphouse is connected to the PCB Once the clamp bar is removed from across the top of the connector block the cable for the lamphouse can be disconnected from the PCB Now the entire lamphouse assembly along with the front of the bonder arm can be removed from the connector block Refer to figure 5000 56 Refer to figure 5000 S7 2 Refer to figure 5000 59 LAMPHOUSE DISASSEMBLY Once removed from the bonder arm and connector block the same principles of lamphouse disassembly for the SO 111 will apply to the lamphouse for the 5000 series of microscope Again the first step is to mark the lens barrel with a horizontal line
75. t is still connected to a wiring loom that runs up the inside of the pillar and by the leads that run to the fan on the left side of the power supply enclosure Disconnect both of these connections at the PCB and remove the power supply Once removed you will now be able to view the inside of the power supply Due to the complex nature of the power supply it is difficult to list specific faults that may occur or appropriate remedies Reference to the wiring schematic supplied may be of assistance to you If the nature of the problem is not immediately clear contact Scan Optics for assistance or return the unit with a description of the problem IMPORTANT As with any power supply it is critical that the unit is disconnected from mains or battery power prior to any work being attempted Refer to figure 5000 W1 Refer to figure 5000 W2 Refer to figure 5000 W3 Refer to figure 5000 W4 Refer to figure 5000 W5 q q q NUS X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5800 Microscopes Page 25 of 75 50 5800 MICROSCOPE INTRODUCTION The SO 5800 microscope system is based on the SO 5000 5100 5600 series microscope system with the following differences The SO 5800 microscope features XY positioning controlled by a joystick on the foot control The SO 5800 features a larger dedicated floor stand and cannot be table mounted The SO 5800 does not have battery backup or an au
76. the X Y motor speed has been set so low that there is insufficient voltage for the motors to drive the microscope to the centre position If this is the case set the knob located on the main power supply panel to maximum speed and switch the microscope off for at least 5 seconds to re set it Then switch the microscope back on again REMOVING THE TOP COVER If the sensitivity adjustment is difficult to access or in the event of another problem with the XY unit first separate the assembly from the rest of the microscope Disconnect the head assembly from the X Y unit by detaching the head power and camera power cables from the back of the X Y unit Then unscrew the suspension bracket head assembly from underneath the X Y unit Place the head assembly carefully to one side Disconnect the microscope power cable from the X Y unit then remove it from the end of the pantograph arm by unscrewing the main knob and undoing the three safety screws Place the X Y unit on a bench and if possible position the microscope stand so that the microscope power cable may be reconnected to the X Y unit This will allow testing under power and eliminate the need to replace the unit in the end of the arm to check the unit Remove the top cover of the X Y unit by undoing the top line of two screws on the front and back panels It is crucial that these are the only screws that are removed Then lift off the top cover and cover plate to reveal the workings of t
77. tics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual 50 5000 5100 5600 Microscopes Page 19 of 75 the shaft Once loosened you will be able to unwind and remove the knob You can now push the shaft in partially thus disengaging the large gear from the smaller gear fixed to the motor The next step is to loosen the four screws holding the microswitches in place Note it is important that each microswitch be replaced in the same position and orientation Once removed the final step is to remove the motor itself By pushing on the focus shaft from the end where the knob was previously attached you will be able to separate the two gears This will give you access to the small screw and spacer located behind the large gear fixing the motor to the bonder arm For ease of replacement it is suggested that the motor be removed with the mounting bracket attached This is achieved by removing the two screws sitting behind the focus box and passing into the bonder arm You will now be able to remove the entire focus assembly except for the focus shaft and large gear assembly It is not recommended that this assembly be removed as the bearing race inside the bonder arm can pose problems in reassembly and therefore should only be dismantled to solve specific problems inside the bonder arm You will now have the focus drive assembly complete with the microswitches Should replacement of the motor be required unsolder the black wire that r
78. ttom of the camera The other side of the ring will be threaded into another silver ring with a grooved circumference This grooved ring in held into the CTV by the silver screw sitting out to one side of the CTV unit For the correct orientation of the image on the monitor it is important that the camera sits in the CTV with the CE mark forward towards the eyepieces of the microscope head The final component is the TRU unit This unit houses the beam splitter and mirror assemblies It is attached to the back of the microscope by two socket head screws sitting either side IMAGE ADJUSTMENT If it is ever required the image shown on the screen can be rotated clockwise or anticlockwise by loosening the single screw which protrudes from the side then rotating the camera assembly in the direction required It is within the TRU unit that the only recommended lateral image adjustments be made in order is to centre the image on the monitor with the centred image of the microscope head If lateral adjustments are required first decide which way the image needs to move The image can only be adjusted diagonally not horizontally or vertically sometimes the image will need to move in both directions if so it does not matter which is adjusted first If the image needs to move along diagonal from bottom right of screen to top left of screen the mirror needs adjusting If the image needs to move along diagonal from bottom left of screen to top right of s
79. two lenses and a spacer separating them The top lens is a plano convex lens and must sit in the spacer with the curved surface facing down The spacer has a small lip on the inside diameter that supports the lens and as such will need to be placed with this lip at the top When assembled correctly the top of the plano convex will sit flush with the top of the spacer The bottom lens is a compound lens Upon close examination you will be able to see the dividing line between the two lenses with the smaller of the two sitting on top The lens must be replaced in the eyepiece with this smaller lens on the top After cleaning replace the compound lens first If it fails to immediately fall to the bottom of the eyepiece casing gently tapping the casing on the side of a table or similar solid object may coax it to drop to the bottom You can tell if it is in the correct resting place by lightly shaking the casing you should be able to hear the compound lens rattling against the side of the casing Next is the spacer with the internal lip sitting at the top to support the plano convex lens Replace this lens with the curved surface facing downwards into the casing and the flat surface sitting on top You can now replace the top retaining ring and rubber eye shields Refer to figure EYE S1 X Service Scan Optics Service Manual Scan Optics Service Manual doc Version 1 2 August 2004 SCAN OPTICS Service Manual SO 111 151 161 Microscopes Page 5 of 75
80. uns from the motor to the diode and remove the red wire that runs from the connector to the motor The replacement of the new motor is this process in reverse gt Refer to figure 5000 S8 1 Refer to figure 5000 S8 2 Refer to figure 5000 S8 3 Refer to figure 5000 S8 4 FOOT CONTROL If problems are detected in foot control functions first check the connections at the relevant points in the microscope zoom focus and lighting Where the problem can be isolated to the foot control itself this is best confirmed by checking whether the LED on the front panel lights up when the particular foot pedal is depressed If the LED lights up the switch is working correctly If the LED remains lit after the foot pedal pressure is removed the pedal itself may be mechanically stuck In some cases earlier model microscopes this may be caused by the foot control label de laminating and physically preventing the pedal from disengaging In later models the label is longer and tucks underneath the central rest bar The solution to this problem is to carefully cut away the offending parts of the sticker and to peel them off Use extreme caution since you will be cutting on a rounded surface Where the foot control is not engaging and the LED is not lighting up two possible causes of the problem are as follows e The microswitch under the pedal in question has failed e The plastic moulding that activates the microswitch has broken off To f
81. xiliary light source The SO 5800 like the SO 5600 includes a video system and assistant microscope as standard but the monitor screen is larger than the standard SO 5600 monitor In other respects the So 5800 features identical microscope optics and the same power supply controller and power supply as the SO 5000 5100 5600 microscopes For mould pellet replacement foot control focus zoom and image adjustment troubleshooting please refer to the relevant parts of the SO 5000 5100 5600 section Before attempting any servicing of the SO 5800 microscope first become familiar with the appropriate SO 5800 Assembly Manual and So 5800 User Manual XY UNIT TROUBLESHOOTING If the LED on the front panel of the X Y unit is flashing continuously it means that the X Y unit is in return to centre mode and will not respond to any other movement commands from the joystick In this case it may be that the return to centre sensitivity is set such that the function is being activated continuously In this case simply rotate the knob marked RTC sensitivity on the back of the X U unit later models or by inserting a Philips head screwdriver through the hole marked RTC sensitivity on the top cover of the X Y unit The ideal setting is one where the user is able to activate the return to centre function by placing a hand near the sensor window but will not accidentally activate Another possible cause of continuous flashing of the LED is that

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